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Penang Trial Exam 2020 Paper 1

Total questions: 50

Worksheet time: 3hrs 30mins

Name
Class
Date
1.

a)

A

b)

B

c)

C

d)

D

2.

a)

A

b)

B

c)

C

d)

D

3.

a)

A

b)

B

c)

C

d)

D

4.

a)

Calcium and carbon

b)

Calcium and nitrogen

c)

Sodium and carbon

d)

Sodium and nitrogen

5.

a)

Propene, C3H6

b)

Glucose, C6H12O6

c)

Zinc sulphate, ZnSO4

d)

Silver chloride, AgCl

6.

a)

J. J. Thomson.

b)

James Chadwick

c)

Ernest Rutherford.

d)

Niels Bohr.

7.

Which of the following is a diprotic acid?

a)

Phosphorus acid

b)

Carbonic acid

c)

Ethanoic acid

d)

Nitric acid

8.

Sulphuric acid, H2SO4 is produced in industry through Contact Process.

What is the catalyst used in Contact Process?

a)

Iron

b)

Platinum

c)

Vanadium(V) oxide

d)

Manganese(IV) oxide

9.

Which of the following is the structural formula of a carboxylic acid?

a)
b)
c)
d)
10.

What salt is soluble in water?

a)

Magnesium carbonate

b)

Silver chloride

c)

Aluminium nitrate

d)

Calcium sulphate

11.
a)

A

b)

B

c)

C

d)

D

12.

What is the colour of copper(II) carbonate powder?

a)

Green

b)

Blue

c)

Black

d)

Brown

13.
a)

Iron

b)

Zinc

c)

Lead

d)

Copper

14.

a)

Electrons are received by zinc ion

b)

Electrons are donated by zinc ion

c)

Electrons are received by zinc atom

d)

Electrons are donated by zinc atom

15.

a)

A

b)

B

c)

C

d)

D

16.

When sodium thiosulphate solution react with acid, gas Y with pungent smell is produced. Name the gas Y

a)

Sulphur

b)

Oxygen

c)

Sulphur dioxide

d)

Sodium dioxide

17.
a)

Solubility

b)

Melting point

c)

Molar mass

d)

Density

18.

a)

A

b)

B

c)

C

d)

D

19.

Element P and element Q are located in Group 2 and Group 17 in the Periodic Table respectively. Element P reacts with element Q to form a compound. What is the chemical formula of the compound?

a)

PQ

b)

PQ2

c)

P2Q

d)

P2Q3

20.
a)

A

b)

B

c)

C

d)

D

21.

Which of the following substances consists of atoms?

a)

Water

b)

Oxygen

c)

Helium

d)

Naphthalene

22.
a)

I and II only

b)

II and IV only

c)

II and III only

d)

I, II and IV only

23.

Element L reacts with element M to form an ionic compound with the formula LM2. The electron arrangement of an atom of M is 2.8.7. Which of the following is a possible electron arrangement of an atom of L?

a)

2.8.1

b)

2.8.2

c)

2.8.4

d)

2.8.6

24.

Which statement shows the difference between hexene and hexane?

a)

Hexene dissolves in water but hexane does not

b)

The carbon percentage per molecule of hexene is higher

c)

The number of hydrogen atoms per molecule of hexene is higher

d)

Hexane decolourised the brown colour of bromine water but hexene does not

25.

The joint of a student’s leg is swollen and painful. What medicine is suitable to be given to the student?

a)

Insulin

b)

Penicillin

c)

Barbiturate

d)

Paracetamol

26.
a)

Substance X less resistant to oxidation

b)

Substance X has low melting point

c)

Substance X is more elastic due to the present of carbon cross-links

d)

Substance X is produced by soaking rubber in a solution of sulphur monochloride in methylbenzene

27.

a)

0 to +3

b)

+3 to 0

c)

+3 to -3

d)

-3 to +3

28.

a)

This reaction releases heat energy to the surroundings

b)

ΔH for this reaction has negative value

c)

The total energy content of the reactants is lower than the products

d)

Example of reaction is when solid sodium hydroxide is dissolved in water

29.

a)

I and II

b)

I and III

c)

I and IV

d)

III and IV

30.

a)

A

b)

B

c)

C

d)

D

31.
a)

A

b)

B

c)

C

d)

D

32.

Shaun immersed a piece of filter paper into a beaker containing solution X, then he used solution Y to write “I LOVE CHEMISTRY” on the filter paper after the filter paper was dried. The wording on the filter paper is yellow in colour. Which of the following pairs is solution X and solution Y?

a)

Sodium iodide and silver nitrate

b)

Sodium iodide and lead (II) nitrate

c)

Barium chloride and sodium nitrate

d)

Barium chloride and copper (II) nitrate

33.
a)

Oxygen

b)

Hydrogen

c)

Sulphur dioxide

d)

Carbon dioxide

34.

a)

I and II

b)

II and III

c)

III and IV

d)

I and IV

35.

Caffeine, C8H10N4O2 is a natural stimulant found in coffee, tea and cocoa beans. What is the percentage of carbon atom by mass in this compound? [Relative atomic mass : H = 1; C = 12; O = 16; N = 14]

a)

16.49%

b)

5.15%

c)

49.48%

d)

28.87%

36.
a)

W, X, Y, Z

b)

Z, Y, W, X

c)

Y, Z, X, W

d)

X, Y, W, Z

37.

a)

Ethanol and pentanoic acid

b)

Pentanol and ethanoic acid

c)

Butanol and propanoic acid

d)

Propanol and butanoic acid

38.

a)

50.0 cm3 of 1 mol dm-3 hydrochloric acid

b)

50.0 cm3 of 1 mol dm-3 sulphuric acid

c)

25.0 cm3 of 1 mol dm-3 hydrochloric acid

d)

25.0 cm3 of 2 mol dm-3 sulphuric acid

39.

A substance which melts at 105 °C and boils at 258 °C is heated from room

temperature to 300 °C. Which of the following is the graph of temperature against time

for the heating?

a)
b)
c)
d)
40.

A decorative glassware maker encountered problem on his products which are fragile. He needs another material which is transparent but not fragile to replace glass. What is the most suitable material?

a)

Polyethene

b)

Polypropene

c)

Polychloroethene

d)

Polymethylmethacrylate

41.
a)

A

b)

B

c)

C

d)

D

42.

a)

Z, X, Y

b)

Z, Y, X

c)

X, Y, Z

d)

X, Z, Y

43.

a)

I and IV only

b)

II and III only

c)

I and III only

d)

III and IV

44.

a)

0.50 cm3 s-1

b)

0.40 cm3 s-1

c)

0.30 cm3 s-1

d)

0.20 cm3 s-1

45.

a)

Magnesium nitrate

b)

Ammonium nitrate

c)

Calcium nitrate

d)

Sodium nitrate

46.

a)

-33.6 kJ mol-1

b)

-67.2 kJ mol-1

c)

-470.4 kJ mol-1

d)

-537.6 kJ mol-1

47.

a)

Pour ethanol into glacial ethanoic acid

b)

Pour water into glacial ethanoic acid

c)

Replace carbon electrodes with copper electrodes

d)

Replace glacial ethanoic acid with silver chloride

48.

a)

35.11%

b)

46.67%

c)

17.07%

d)

13.92%

49.

The reaction between excess zinc and hydrochloric acid produces 20 cm3 of hydrogen in 10 s. The reaction is completed in 1 minute and the maximum volume of hydrogen obtained is 40 cm3. What is the average rate of reaction at 10 s?

a)

4.0 cm3 s-1

b)

3.0 cm3 s-1

c)

2.0 cm3 s-1

d)

0.3 cm3 s-1

50.
a)

Iodide ion is oxidised to iodine molecule

b)

Iron(III) ion is oxidised to iron(II) ion

c)

Potassium iodide is an oxidising agent

d)

The colour of potassium iodide change from green to yellow

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